So we have:- Tiga at 270 426 (later case, front and rear cuts)
- World of Time at 271xxx (earlier case, front cuts only)
- Alex at 275xxx [can you please tell us about the case-style?]
My guess is that these cases are in the 1972 range; the heart of the Viceroy production [which explains why we see the two case manufacturers]; relatively early in life of the Caliber 15.
Please send or post any additional serial numbers, or samples of these Exotic Autavias. Of course, comments or explanations will be welcomed.
Jeff